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The subjective perception of past, present, and future time in patients with Alzheimer's disease: a qualitative study

Authors Shiromaru-Sugimoto A, Murakami H, Futamura A, Honma M, Kuroda T, Kawamura M, Ono K

Received 1 September 2018

Accepted for publication 23 October 2018

Published 22 November 2018 Volume 2018:14 Pages 3185—3192

DOI https://doi.org/10.2147/NDT.S186081

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Amy Norman

Peer reviewer comments 2

Editor who approved publication: Dr Taro Kishi


Azusa Shiromaru-Sugimoto,1 Hidetomo Murakami,1 Akinori Futamura,1 Motoyasu Honma,2 Takeshi Kuroda,1 Mitsuru Kawamura,1,3 Kenjiro Ono1

1Division of Neurology, Department of Internal Medicine, Showa University School of Medicine, Tokyo 142-8666, Japan; 2Department of Physiology, Kyorin University School of Medicine, Tokyo 181-0004, Japan; 3Neurology, Okusawa Hospital and Clinics, Tokyo 158-0083, Japan

Background: The relationship between dementia and time perception impairment is unknown.
Aim: This study aims to explore subjective perception of the passage of time in patients with Alzheimer’s disease (AD).
Methods: We conducted semi-structured interviews with 11 AD patients. Grounded theory, a qualitative research methodology, was used for data analysis.
Results: Based on interview transcripts, five categories were designated: {Live according to a private clock}, {The past comes up}, {Move back and forth between the present and the past}, {Cannot imagine the future}, and {Bid farewell to this world as early as tomorrow}.
Discussion: Our results suggest that AD patients alternate past and present without complete awareness and cannot imagine a future other than one ending in death.

Keywords: dementia, grounded theory, neuropsychology, qualitative study, mind time, interview

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